diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 100f0671..08737607 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -66,10 +66,10 @@ jobs:
           python3 -m coverage erase
           python3 -m coverage run -m pytest
           python3 -m coverage report
+          python3 -m coverage xml
 
       - name: Coveralls
-        if: matrix.os == 'ubuntu-latest'
-        uses: AndreMiras/coveralls-python-action@develop
+        uses: coverallsapp/github-action@v2
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/ChangeLog b/ChangeLog
index 1de26051..8d7ec582 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,7 @@ Unreleased changes
    * Remove Python 2 conditional code
    * Migrate a `src/` layout.
    * Support only Python 3.9 and higher
+   * Migrate CI to use the official Coveralls action
 
 2.1.1 (September 2024)
 ======================